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Finding the Fourth Proportional to 541,434.78, 812,950.53 and 302,016.45

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Solution

The fourth proportional to 541,434.78, 812,950.53 and 302,016.45 is: 453,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,434.78 : 812,950.53 = 302,016.45 : x
  2. Step 2: Convert to fraction form
    541,434.78/812,950.53 = 302,016.45/x
  3. Step 3: Cross multiply
    541,434.78x = 812,950.53 × 302,016.45
  4. Step 4: Simplify right side
    541,434.78x = 245,524,433,096.22
  5. Step 5: Solve for x
    x = 245,524,433,096.22/541,434.78
  6. Step 6: Final answer
    x = 453,470.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.